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Finding the Fourth Proportional to 16,301.70, 24,452.55 and 13,021.20

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Solution

The fourth proportional to 16,301.70, 24,452.55 and 13,021.20 is: 19,531.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,301.70 : 24,452.55 = 13,021.20 : x
  2. Step 2: Convert to fraction form
    16,301.70/24,452.55 = 13,021.20/x
  3. Step 3: Cross multiply
    16,301.70x = 24,452.55 × 13,021.20
  4. Step 4: Simplify right side
    16,301.70x = 318,401,544.06
  5. Step 5: Solve for x
    x = 318,401,544.06/16,301.70
  6. Step 6: Final answer
    x = 19,531.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.